Machine Design Which process will increase the fatigue duration of parts? Shot-peening De-carburisation Finishing and polishing Electroplating Shot-peening De-carburisation Finishing and polishing Electroplating ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.5 3 2.8 3.5 2.5 3 2.8 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° + φ/2 90° - φ 45° - φ 45° - φ/2 45° + φ/2 90° - φ 45° - φ 45° - φ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Fabric belts are used in industrial applications because They are unaffected by moisture and humidity They are cheap They can work at high temperature None of these They are unaffected by moisture and humidity They are cheap They can work at high temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two non-intersecting and non-coplanar shafts are connected by gears, the arrangement is known as Spur gearing Spiral gearing Bevel gearing Helical gearing Spur gearing Spiral gearing Bevel gearing Helical gearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design A steel containing up to 0.15% carbon is known as Medium carbon steel High carbon steel Mild steel Dead mild steel Medium carbon steel High carbon steel Mild steel Dead mild steel ANSWER DOWNLOAD EXAMIANS APP
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